Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    15-07-2023 03:52

General

  • Target

    7166d39e9c1cb17e1728d316531242b1.exe

  • Size

    164KB

  • MD5

    7166d39e9c1cb17e1728d316531242b1

  • SHA1

    d05810943685bcd70999ff0926215f5d6fe2637a

  • SHA256

    8879a7a950a3916f5438685f994ee829a20e4c60021db73060cd078e4a72b5a7

  • SHA512

    b377a2605a34a0fe98a1c49db7d3898e12850944c323b7a4d19c1f5e2081e688624127de529e961da530b7439813495cc254957cb2e16ffea999d943f0fc4214

  • SSDEEP

    3072:0OLdjvSZkJXvtv+HQ7kvQ4sn++DXmHz5AL:RLdTS6Xvd+HQ7kvQ44L

Malware Config

Extracted

Path

C:\info.hta

Ransom Note
<!DOCTYPE HTML PUBLIC '-//W3C//DTD HTML 4.01//EN' 'http://www.w3.org/TR/html4/strict.dtd'> <html> <head> <meta charset='windows-1251'> <title>cartilage</title> <HTA:APPLICATION ICON='msiexec.exe' SINGLEINSTANCE='yes' SysMenu="no"> <script language='JScript'> window.moveTo(50, 50); window.resizeTo(screen.width - 100, screen.height - 100); </script> <style type='text/css'> body { font: 15px Tahoma, sans-serif; margin: 10px; line-height: 25px; background: #C6B5C4; } img { display:inline-block; } .bold { font-weight: bold; } .mark { background: #B5CC8E; padding: 2px 5px; } .header { text-align: center; font-size: 30px; line-height: 50px; font-weight: bold; margin-bottom:20px; } .info { background: #e6ecf2; border-left: 10px solid #B58CB2; } .alert { background: #FFE4E4; border-left: 10px solid #FFA07A; } .private { border: 1px dashed #000; background: #FFFFEF; } .note { height: auto; padding-bottom: 1px; margin: 15px 0; } .note .title { font-weight: bold; text-indent: 10px; height: 30px; line-height: 30px; padding-top: 10px; } .note .mark { background: #A2A2B5; } .note ul { margin-top: 0; } .note pre { margin-left: 15px; line-height: 13px; font-size: 13px; } .footer { position:fixed; bottom:0; right:0; text-align: right; } </style> </head> <body> <div class='header'> <img src='data:image/png;base64,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'> <div>All your files have been encrypted!</div> </div> <div class='bold'>All your files have been encrypted due to a security problem with your PC.</div> <div class='bold'>If you want to restore them, write us to the e-mail <span class='mark'>[email protected]</span></div> <div class='bold'>Or write us to the Tox: <span class='mark'>78E21CFF7AA85F713C1530AEF2E74E62830BEE77238F4B0A73E5E3251EAD56427BF9F7A1A074</span></div> <div class='bold'>Write this ID in the title of your message <span class='mark'>811E9C14-3483</span></div> <div> You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files. </div> <div class='note info'> <div class='title'>Free decryption as guarantee</div> <ul>Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) </ul> </div> <div class='note info'> <div class='title'>How to obtain Bitcoins</div> <ul> The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. <br><a href='https://localbitcoins.com/buy_bitcoins'>https://localbitcoins.com/buy_bitcoins</a> <br> Also you can find other places to buy Bitcoins and beginners guide here: <br><a href='http://www.coindesk.com/information/how-can-i-buy-bitcoins/'>http://www.coindesk.com/information/how-can-i-buy-bitcoins/</a> </ul> </div> <div class='note alert'> <div class='title'>Attention!</div> <ul> <li>Do not rename encrypted files.</li> <li>Do not try to decrypt your data using third party software, it may cause permanent data loss.</li> <li>Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.</li> </ul> </div> </body> </html>
Emails

class='mark'>[email protected]</span></div>

URLs

http://www.w3.org/TR/html4/strict.dtd'>

Extracted

Path

C:\info.hta

Ransom Note
All your files have been encrypted! All your files have been encrypted due to a security problem with your PC. If you want to restore them, write us to the e-mail [email protected] Or write us to the Tox: 78E21CFF7AA85F713C1530AEF2E74E62830BEE77238F4B0A73E5E3251EAD56427BF9F7A1A074 Write this ID in the title of your message 811E9C14-3483 You have to pay for decryption in Bitcoins. The price depends on how fast you write to us. After payment we will send you the tool that will decrypt all your files. Free decryption as guarantee Before paying you can send us up to 3 files for free decryption. The total size of files must be less than 4Mb (non archived), and files should not contain valuable information. (databases,backups, large excel sheets, etc.) How to obtain Bitcoins The easiest way to buy bitcoins is LocalBitcoins site. You have to register, click 'Buy bitcoins', and select the seller by payment method and price. https://localbitcoins.com/buy_bitcoins Also you can find other places to buy Bitcoins and beginners guide here: http://www.coindesk.com/information/how-can-i-buy-bitcoins/ Attention! Do not rename encrypted files. Do not try to decrypt your data using third party software, it may cause permanent data loss. Decryption of your files with the help of third parties may cause increased price (they add their fee to our) or you can become a victim of a scam.

Signatures

  • Phobos

    Phobos ransomware appeared at the beginning of 2019.

  • Deletes shadow copies 2 TTPs

    Ransomware often targets backup files to inhibit system recovery.

  • Modifies boot configuration data using bcdedit 1 TTPs 4 IoCs
  • Renames multiple (480) files with added filename extension

    This suggests ransomware activity of encrypting all the files on the system.

  • Deletes backup catalog 3 TTPs 2 IoCs

    Uses wbadmin.exe to inhibit system recovery.

  • Modifies Windows Firewall 1 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Drops desktop.ini file(s) 64 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 4 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Interacts with shadow copies 2 TTPs 2 IoCs

    Shadow copies are often targeted by ransomware to inhibit system recovery.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 42 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\7166d39e9c1cb17e1728d316531242b1.exe
    "C:\Users\Admin\AppData\Local\Temp\7166d39e9c1cb17e1728d316531242b1.exe"
    1⤵
    • Checks computer location settings
    • Drops startup file
    • Adds Run key to start application
    • Drops desktop.ini file(s)
    • Drops file in Program Files directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3976
    • C:\Users\Admin\AppData\Local\Temp\7166d39e9c1cb17e1728d316531242b1.exe
      "C:\Users\Admin\AppData\Local\Temp\7166d39e9c1cb17e1728d316531242b1.exe"
      2⤵
        PID:3228
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3228 -s 464
          3⤵
          • Program crash
          PID:3688
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:416
        • C:\Windows\system32\vssadmin.exe
          vssadmin delete shadows /all /quiet
          3⤵
          • Interacts with shadow copies
          PID:3684
        • C:\Windows\System32\Wbem\WMIC.exe
          wmic shadowcopy delete
          3⤵
          • Suspicious use of AdjustPrivilegeToken
          PID:4252
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} bootstatuspolicy ignoreallfailures
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:2020
        • C:\Windows\system32\bcdedit.exe
          bcdedit /set {default} recoveryenabled no
          3⤵
          • Modifies boot configuration data using bcdedit
          PID:4256
        • C:\Windows\system32\wbadmin.exe
          wbadmin delete catalog -quiet
          3⤵
          • Deletes backup catalog
          PID:3280
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe"
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4732
        • C:\Windows\system32\netsh.exe
          netsh advfirewall set currentprofile state off
          3⤵
          • Modifies Windows Firewall
          PID:4112
        • C:\Windows\system32\netsh.exe
          netsh firewall set opmode mode=disable
          3⤵
          • Modifies Windows Firewall
          PID:4584
      • C:\Windows\SysWOW64\mshta.exe
        "C:\Windows\SysWOW64\mshta.exe" "C:\Users\Admin\Desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
        2⤵
          PID:1812
        • C:\Windows\SysWOW64\mshta.exe
          "C:\Windows\SysWOW64\mshta.exe" "C:\users\public\desktop\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
          2⤵
            PID:3060
          • C:\Windows\SysWOW64\mshta.exe
            "C:\Windows\SysWOW64\mshta.exe" "C:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
            2⤵
              PID:1776
            • C:\Windows\SysWOW64\mshta.exe
              "C:\Windows\SysWOW64\mshta.exe" "F:\info.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
              2⤵
                PID:3496
              • C:\Windows\system32\cmd.exe
                "C:\Windows\system32\cmd.exe"
                2⤵
                • Suspicious use of WriteProcessMemory
                PID:3468
                • C:\Windows\system32\vssadmin.exe
                  vssadmin delete shadows /all /quiet
                  3⤵
                  • Interacts with shadow copies
                  PID:4320
                • C:\Windows\System32\Wbem\WMIC.exe
                  wmic shadowcopy delete
                  3⤵
                  • Suspicious use of AdjustPrivilegeToken
                  PID:316
                • C:\Windows\system32\bcdedit.exe
                  bcdedit /set {default} bootstatuspolicy ignoreallfailures
                  3⤵
                  • Modifies boot configuration data using bcdedit
                  PID:3344
                • C:\Windows\system32\bcdedit.exe
                  bcdedit /set {default} recoveryenabled no
                  3⤵
                  • Modifies boot configuration data using bcdedit
                  PID:3032
                • C:\Windows\system32\wbadmin.exe
                  wbadmin delete catalog -quiet
                  3⤵
                  • Deletes backup catalog
                  PID:4084
            • C:\Windows\system32\vssvc.exe
              C:\Windows\system32\vssvc.exe
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:228
            • C:\Windows\system32\wbengine.exe
              "C:\Windows\system32\wbengine.exe"
              1⤵
              • Suspicious use of AdjustPrivilegeToken
              PID:3692
            • C:\Windows\System32\vdsldr.exe
              C:\Windows\System32\vdsldr.exe -Embedding
              1⤵
                PID:3100
              • C:\Windows\System32\vds.exe
                C:\Windows\System32\vds.exe
                1⤵
                • Checks SCSI registry key(s)
                PID:1332
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 3228 -ip 3228
                1⤵
                  PID:3020

                Network

                MITRE ATT&CK Matrix ATT&CK v6

                Execution

                Command-Line Interface

                1
                T1059

                Persistence

                Modify Existing Service

                1
                T1031

                Registry Run Keys / Startup Folder

                1
                T1060

                Defense Evasion

                File Deletion

                3
                T1107

                Modify Registry

                1
                T1112

                Credential Access

                Credentials in Files

                1
                T1081

                Discovery

                Query Registry

                3
                T1012

                System Information Discovery

                3
                T1082

                Peripheral Device Discovery

                1
                T1120

                Collection

                Data from Local System

                1
                T1005

                Impact

                Inhibit System Recovery

                4
                T1490

                Replay Monitor

                Loading Replay Monitor...

                Downloads

                • C:\Program Files\Common Files\microsoft shared\ClickToRun\AppvIsvSubsystems64.dll.id[811E9C14-3483].[[email protected]].8base
                  Filesize

                  3.2MB

                  MD5

                  008f7bd065558ddda863377514ba5380

                  SHA1

                  576d76fc3513650bce3e236a9fedf5e29e30ec0b

                  SHA256

                  9aabb53eb2cbfd3bb24749431b2234bf28c6b255c18256b15745b5ed739ad828

                  SHA512

                  d8a1105e3b641743d906f19fff87d40528e4abf9ab3b941ce6605d0bc887ec6e6e56917dae080eed0972a093f95963aaaab4c720c5cedb2224f04b3d51eb8124

                • C:\Users\Admin\Desktop\info.hta
                  Filesize

                  5KB

                  MD5

                  c474eaf0dcc8594636e40aa096345b49

                  SHA1

                  19567651a92097816aee60febd5e9e75301807c2

                  SHA256

                  79f02b2951cecb4402080906f3a892e93808fafe7101e7018fda0572a4f8d263

                  SHA512

                  cdb5230c04a01ae1c9fe13b67f29874131b02f11c73124dce8000dd1cdae82c6183d987eae3bede1afe8cc3de9a25865476ee7473d15c08c6b5dc8f91214c3a1

                • C:\info.hta
                  Filesize

                  5KB

                  MD5

                  c474eaf0dcc8594636e40aa096345b49

                  SHA1

                  19567651a92097816aee60febd5e9e75301807c2

                  SHA256

                  79f02b2951cecb4402080906f3a892e93808fafe7101e7018fda0572a4f8d263

                  SHA512

                  cdb5230c04a01ae1c9fe13b67f29874131b02f11c73124dce8000dd1cdae82c6183d987eae3bede1afe8cc3de9a25865476ee7473d15c08c6b5dc8f91214c3a1

                • C:\info.hta
                  Filesize

                  5KB

                  MD5

                  c474eaf0dcc8594636e40aa096345b49

                  SHA1

                  19567651a92097816aee60febd5e9e75301807c2

                  SHA256

                  79f02b2951cecb4402080906f3a892e93808fafe7101e7018fda0572a4f8d263

                  SHA512

                  cdb5230c04a01ae1c9fe13b67f29874131b02f11c73124dce8000dd1cdae82c6183d987eae3bede1afe8cc3de9a25865476ee7473d15c08c6b5dc8f91214c3a1

                • C:\users\public\desktop\info.hta
                  Filesize

                  5KB

                  MD5

                  c474eaf0dcc8594636e40aa096345b49

                  SHA1

                  19567651a92097816aee60febd5e9e75301807c2

                  SHA256

                  79f02b2951cecb4402080906f3a892e93808fafe7101e7018fda0572a4f8d263

                  SHA512

                  cdb5230c04a01ae1c9fe13b67f29874131b02f11c73124dce8000dd1cdae82c6183d987eae3bede1afe8cc3de9a25865476ee7473d15c08c6b5dc8f91214c3a1

                • F:\info.hta
                  Filesize

                  5KB

                  MD5

                  c474eaf0dcc8594636e40aa096345b49

                  SHA1

                  19567651a92097816aee60febd5e9e75301807c2

                  SHA256

                  79f02b2951cecb4402080906f3a892e93808fafe7101e7018fda0572a4f8d263

                  SHA512

                  cdb5230c04a01ae1c9fe13b67f29874131b02f11c73124dce8000dd1cdae82c6183d987eae3bede1afe8cc3de9a25865476ee7473d15c08c6b5dc8f91214c3a1

                • memory/3228-1355-0x00000000006A0000-0x00000000007A0000-memory.dmp
                  Filesize

                  1024KB

                • memory/3228-1400-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-779-0x00000000020F0000-0x00000000020FF000-memory.dmp
                  Filesize

                  60KB

                • memory/3976-949-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-2726-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-4998-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-6428-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-10423-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-846-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-134-0x00000000004F0000-0x00000000005F0000-memory.dmp
                  Filesize

                  1024KB

                • memory/3976-404-0x00000000004F0000-0x00000000005F0000-memory.dmp
                  Filesize

                  1024KB

                • memory/3976-136-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB

                • memory/3976-135-0x00000000020F0000-0x00000000020FF000-memory.dmp
                  Filesize

                  60KB

                • memory/3976-12170-0x0000000000400000-0x00000000004E3000-memory.dmp
                  Filesize

                  908KB